Cylinder for an engine



FIG. 1 is a front perspective view of a cylinder for an engine;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left view thereof, the right side being a mirror image;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

CLAIM The ornamental design for a cylinder for an engine, as shown anddescribed.